ile ▁Sh aron ▁began ▁feeling ▁nost alg ic ▁regarding ▁her ▁relationship ▁with ▁Nick , ▁having ▁been ▁dump ed ▁by ▁Adam . ▁In ▁a ▁tw ist , ▁it ▁is ▁revealed ▁that ▁the ▁original ▁pat ern ity ▁test ▁conducted ▁years ▁earlier ▁to ▁determine ▁whether ▁Summer ▁( now ▁aged ▁to ▁ 1 8 ▁years ▁old ) ▁was ▁father ed ▁by ▁Jack ▁or ▁Nick ▁was ▁incon clus ive ; ▁Nick ▁claimed ▁pat ern ity ▁over ▁Summer , ▁wanting ▁another ▁daughter ▁following ▁Cass ie ' s ▁death . ▁When ▁Summer ▁became ▁involved ▁with ▁Jack ' s ▁son ▁K yle ▁Abb ott ▁( H art ley ▁S aw yer ) — her ▁possible ▁half ▁brother — N ick ▁conducted ▁another ▁pat ern ity ▁DNA ▁test . ▁Sh aron ▁learned ▁of ▁this , ▁and ▁switched ▁the ▁results , ▁to ▁make ▁everyone ▁believe ▁Nick ▁wasn ' t ▁Summer ' s ▁father , ▁so ▁that ▁she ▁could ▁comfort ▁and ▁win ▁him ▁back . ▁A ▁fight ▁between ▁Ph yll is ▁and ▁Sh aron ▁( after ▁Ph yll is ▁over he ard ▁Sh aron ▁conf ess ing ▁to ▁switching ▁the ▁results ) ▁ended ▁with ▁Ph yll is ▁falling ▁down ▁a ▁flight ▁of ▁st airs ▁and ▁into ▁a ▁com a . ▁Spe aking ▁of ▁these ▁events ▁Case ▁stated : ▁" Sh aron ▁really ▁does ▁feel ▁just ified ▁in ▁what ▁she ▁is ▁doing . ▁In ▁fact , ▁she ▁feels ▁she ▁is ▁doing ▁what ▁needs ▁to ▁be ▁done . ▁ ▁She ▁feels ▁that ▁hers ▁and ▁Nick ’ s ▁destin ies , ▁and ▁Cass ie ’ s ▁dest