Based on

Movies like Slickers vs. Killers (1991)

Success Hung, an ace cell phone salesman who his feeling the heat from young, up and comer Miss Cheng. One day, Hung witnesses a mob hit. Though the panic-stricken salesman tries to tell his friends about the incident, Hung's gift for exaggeration in the past makes everyone suspicion of his claims except for a relative the deceased who comes to believe that Hung pulled the trigger.