Delia's newest house listing turns out to be haunted, and Melinda must figure out a lie before a second family tragedy occurs. Meanwhile, Sam's memory flashes begin to seem like Jim's, but that may not be enough to keep him with Melinda.
Melinda goes on an eventful road trip with Sam as he tries to reconnect with his old girlfriend, Delia and Ned clash over what she believes is his risky behavior, and a ghost from high school takes up residence at Delia's.
Melinda and Eli try to reach ghosts who are angry that their bodies have been found in a lake, and Sam/Jim continues to struggle with his memories and a decision about Nikki.
Melinda finds out how hard it is to date someone who doesn't know about her gift when a spirit interrupts her first date with Jim/Sam, leaving her trying to salvage her romance while struggling to help a secretive ghost.
Eli's attempt to relieve Melinda of ghost duty so she can pursue her romance with Jim/Sam goes awry when a hazing stunt turns deadly, and Sam wonders if he can trust her.