On an off-peak train, Geri gets into an argument with a young lawyer in one cabin; Jacob who is out playing truant unexpectedly chances upon his mother and her client in another.

Tension mounts as Leader Black demands to speak only to negotiator Chia Wen Si. The police scramble to find her, but she must first earn Joseph's trust. The situation takes a dramatic turn when Black realizes he's been deceived by the police.

The tension escalates as hostages face a daunting choice, and Ray bravely speaks up. Leader Black demands a media conference in exchange for hostage release. Meanwhile, Wen Si uncovers prime suspects.

As tensions rise, police make contact with a hostage holding a hidden phone. Black urges media to probe four millionaires' crimes. Wen Si identifies the leader, but he's angered by authority's interference.

Joseph's team grapples with the aftermath of a botched rescue, while Boon Wee jeopardizes his safety to aid authorities. The hostage-takers unveil themselves, focusing on Titus. John seeks a conversation with his father, adding layers of tension.

John reveals Wen Si's painful past, explaining her role. Ray's disturbing obsession surfaces, leading to confrontation. Desperate, he exposes another hostage. Jana hints at a development onboard the train, adding intrigue to the unfolding drama.