S1E524 — The Goodbye Kiss

Akansha and Shekhar, both actors, were shooting for a commercial on set, when Akanksha collapses to the ground and dies right after taking a sip of the drink they were shooting for. The CID team s called in, they interrogate Shekhar and find out about his relationship with Akanksha. Within a few days, there was another murder. This time the victim had a kiss mark on the forehead.