Da Chong, Pang Pang, Xiao Dao, and Fanda, former college roommates, reunite to fulfill their unaccomplished dreams as a tribute to their youth. Their journey rekindles their bond and deepens their appreciation for their friendship and present lives.

Tong Song lost his legs in a car accident, An Ning, a technical consultant, and Liang Meng, a safety consultant, partner to start a bodyguard company. Unexpectedly, the first mission of the bodyguard team encounters many accidents.