Richard Holmes

When a well-respected mathematician is found dead, Holmes and Watson set out to solve a murder and the purpose of the highly guarded equation he was trying to decipher. Also, a former patient's son asks Watson for a loan.

Nic and Mina treat a patient with a failing heart VAD, forcing them to find a new battery in time to save her life. Conrad gets a call from a previous patent in crisis. Cain tries to get close to Bell's business partner from the supplement company.

Earn agrees to go to a Juneteenth celebration at Van's rich friends' house and pose as her husband, but finds that social climbing isn't exactly to his taste.

The beating of a young man uncovers a dangerous male escort service where the boss may have reasons for sending her staff on potentially deadly dates.

Racial tension rises between the LAPD and the African American community, following the murder of a notable community activist.

Tommy and the LAPD race to find an online swatter, a criminal who makes fake 911 calls; as Tommy deploys the department's full resources to the search, the perpetrator threatens to reveal private information about members of the police force.