Derailed is a murder mystery that examines Bay Area race relations with a blend of humor and suspense. When Vanessa Rodriguez, a popular influencer, dies suddenly on a BART train, the other riders must figure out who killed her or risk being the next one dead. Enlisting Vanessa's legions of followers to help solve the crime, the train's multi-ethnic passengers and the one cop aboard are forced to face their suspicions about one another before determining who done it.