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.

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.

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 patient in crisis. Cain tries to get close to Bell's business partner from the supplement company.

An island birthday bash exposes faults lines in the relationships of three friends.

Laurel is scrutinised over her possible involvement with the bug infestation. Gustav and Rochelle find a way to communicate with those infected by the bugs.