The liquefied remains of a wedding planner are found in her home tanning bed on Valentine's Day, and Cam pressures her team to solve the case in time so she can celebrate the holiday with her boyfriend. 

A severe blizzard causes a city-wide blackout, adding to the obstacles the team must overcome in order to solve a murder case that could be linked to a potential viral outbreak. Booth and Brennan have a conversation about their relationship while trapped in an elevator, and Angela and Hodgins get worrisome news about the health of their unborn baby