Original title
On the Line
Released
6/27/2025
Origin country
SG
Status
Ended
Number of seasons
1
Number of episodes
10
Ruth, an eager and fearless rookie ICA (Immigration & Checkpoints Authority) officer, clashes and connects with Zachery, her disciplined and protective Group leader, as they navigate high-stakes duties of protecting Singapore’s borders. As Ruth immerses herself in the meaningful day-to-day operations, she finds a special connection with Zachery.
Eager to prove herself as an ICA officer, rookie Sergeant Ruth Poh launches into a dramatic chase to catch a suspect— landing herself in an awkward situation after a failed takedown draws the attention of her Group Leader Inspector Zachery Tay.
Ruth clashes with her by-the-book Group Leader, her gut instincts might be right but she learns the hard way that teamwork and adhering to procedures are just as important. As tensions rise, her instincts may just lead to another unexpected breakthrough at the checkpoint.
Ruth makes a bold call and uncovers contraband hidden in a motorcycle, but her impulsive move jeopardizes a larger crackdown on a smuggling syndicate, putting her at odds with the team. A routine baggage scan reveals a possible firearm—forcing Ruth and Zachery to put their differences aside as a new threat emerges.
A routine screening turns chaotic when a viral-hungry content creator is caught with a 3D-printed gun prop, challenging Ruth to manage the traveller’s defiance.
After it takes Zachery stepping in to protect Ruth during a confrontation with a defiant vlogger, Ruth’s self-doubt grows . However, a sudden lockdown pushes Ruth to take charge and prove her courage to assist a traveller in distress.
After rescuing an elderly man with dementia from danger, Ruth faces a dressing down from Zachery about recklessness and responsibility — but beneath his harsh words is a deep concern he struggles to show. Meanwhile, Ruth wrestles with her need to prove herself and be seen.
During a tense lockdown, Zachery leads first response team officers to rescue a hostage. But when the captor escapes, Ruth’s quick reflexes and relentless pursuit become crucial in a high-stakes chase.
Ruth spots suspicious behavior in a seemingly ordinary couple at the checkpoint. When the pregnant woman suddenly suffers a sharp abdominal pain, the team quickly shifts from a routine security questioning to a critical medical emergency.
Encouraged by the care Ruth has shown, the pregnant traveller reveals a harrowing secret, a covert smuggling operation hidden within the couple’s vehicle. Ruth’s instincts have been proven right once again, much to Zachery’s quiet approval.
Ruth faces her toughest challenge yet – her performance review with Zachery. There, Zachery reveals he’s been quietly rooting for her all along, a long-standing belief in her potential. Their bond deepens, built on mutual respect and shared purpose.
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