Thrayam intertwines five connected stories set in a city on a fateful night. Harry, a conman, accidentally hits someone while delivering a package. Vijay and friends blackmail Anjali, leading to a hit-and-run. Ashique robs a store, while Elsa finds her lover Jomon dead. Vincent discovers the body, linked to Elsa. A silent witness, Ranjini, observes it all.
