The guys struggle to find funding for Pied Piper's video chat app to keep up with their rapidly growing user base. Erlich faces resistance from Big Head's father. Jack steps on Gavin's toes at Hooli. Richard gets sage advice.
Richard butts heads with Dinesh, whose new position goes to his head. Later, Richard discovers interesting data about PiperChat's users. Erlich makes a play to be involved in Jian-Yang's new app; Jared sets ground rules in his friendship with Richard; Gavin's paranoia over Jack's enthusiasm causes him to make a rash decision.
Dinesh gets back to the ground while Richard continues to explore his new project. Gavin tries to come out of the new problem he has gotten himself into and interestingly the chemistry between Richard and Monica takes a new turn.
Richard tries to convince his new business partner Gavin about his strategy for the new internet, but finds himself blocked by meddling from an annoying associate of Gavin's. Erlich connives his way into Laurie's baby shower and tips her off to a hidden agenda. Dinesh struggles to free himself of Mia.
When Richard decides to stand up to a patent troll, his defiance ends up coming back to haunt him. Gilfoyle goes to desperate measures to battle Jian-Yang's new smart refrigerator. Jared embraces multiple identities in in his quest to reduce costs. Erlich tries to hang with the alpha males.
An unexpected increase in data traffic leads Richard to turn to Ehrlich for help in garnering a deal with Keenan Feldspar, Silicon Valley's latest 'it' boy, but when he makes a too-good-to-resist offer, Richard must weigh Pied Piper's future against a potential mutiny. Jack faces setbacks while preparing for Hooli-Con.
Guys are preparing undercover operation at HooliCon. To ensure enough space to run their app. This forces Dinesh to meet his destiny. While Erlich heads on a soul searching journey after his inconceivable loss.