When Calvin stumbles upon a big business opportunity, he must convince Malcolm to help him so he can seal the deal; Gemma is forced to confront a secret from her beauty pageant past when a friend from her hometown arrives.
John and Jessica's relationship gets a lot more complicated after she delivers some surprising news; Officer Bradford and Officer West are assigned a community policing project helping out the Watts Rams as volunteer coaches.
After a Navy reservist is killed while protecting a city councilman, Sam is sent undercover in a private security firm with links to several criminal organizations. Also, Callen and Anna (Bar Paly) discuss the next steps in their relationship.
Dre's sister is in town for Mother's Day. Although everybody else knows she is a lesbian, Dre's mum Ruby has no idea.
Bow believes that Dre's childhood friend is abusing his generosity. The ex-wife of Stevens and Lido's founding partner manages to get control of half of the company, putting Dre in an uncomfortable position.