True Crime Deep Dives recounts the shocking murder of David Dane, a seemingly upstanding kindergarten teacher in Tampa. His wife, Jennifer, is revealed to be the killer, driven by rage after discovering his secret life of infidelity, adult film production, and running a child fight ring at his school. The investigation, led by Detective Mercer, uncovers this dark double life through hidden camera footage and witness testimonies. Jennifer's trial and conviction for first-degree murder conclude the episode, highlighting the devastating consequences of hidden crimes and their impact on the community. The case also underscores the lasting trauma experienced by the children involved.