From 6:00 pm Pacific on July 12th to 6:00 am Pacific on July 14th, Star Trek Online players can take on the Hearts and Minds mini-mission "that explores the consequences of some unconventional research gone awry". According to the official site, the mission is a "story in one act" that can be completed in a single short game session. It is considered a horror story, hence its arrival just in time for Friday the 13th.
Hearts and Minds takes place in the Donatu sector of the Eta Eridani sector block, at a lunar research station in the Donatu system and characters level 11+ can accept this mission. Hail Franklin Drake (Federation officers and Romulans allied with the Federation) or K’Men (Klingon officers and Romulans allied with the KDF) to undertake this mission.
Read more on the Star Trek Online site.