1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. The parties, etc. 1) Defendant Samsung Securities Co., Ltd. (hereinafter “Defendant Co., Ltd”).

(2) At the time of the instant case, Plaintiff A and Plaintiff B are married, and Nonparty D, E, and F are children of the Plaintiff’s husband and wife. The Defendant C is an employee of the Daegu Merchant’s Branch of the Defendant Company and was an employee of the Daegu Central Branch of the Plaintiff.

B. On January 19, 201, Plaintiff A purchased each of the instant securities with the introduction of Defendant C on January 19, 201, “The 3rd anniversary of the 4434 stock-linked securities” is the securities with investment rate (specific profit structure is set in advance) determined in connection with a specific stock price index or stock price fluctuation. Only a securities company authorized to engage in over-the-counter derivatives business may issue them on the basis of Article 2-3 subparag. 7 of the Enforcement Decree of the Securities and Exchange Act. ES is an individual stock or stock price index; whether the underlying asset falls short of the price decline; whether the underlying asset falls short of the price decline; and whether the principal falls short of the base price 50,000,000 won x 10,000 won : 10,000 won per 210,000 won per 30,000 won per 10,000 won per 214,000 common securities: the issuing company’s first stock redemption price per 214: