Tonton Streaming Beautiful Gong Shim (2016) S1E12 - Did all of our information leak?

Jun-su is shocked after finding out about Shim and Dan-tae's relationship. A strange tension grows between Dan-tae and Jun-su and they start to become distant. Meanwhile, Tae-cheol falls for the trap laid by Dan-tae and revisits the arboretum which is the scene of his crime.