Owner Of A Lonely Heartgrey's Anatomy : Season ... -

is the 11th episode of Season 2 (the 20th episode overall) of Grey's Anatomy , which originally aired on December 4, 2005. Plot Overview

Tensions reach a breaking point between Izzie and Alex Karev after Izzie discovers Alex slept with Nurse Olivia.

The episode follows several intersecting storylines involving the interns at Seattle Grace Hospital: