EXHIBIT 2.2


                    INSTRUMENT OF JOINDER TO MERGER AGREEMENT


         In accordance with, and subject to the terms and conditions of, the
Agreement and Plan of Merger, dated March 24, 2005, by and among Adventure
Holdings S.A., a corporation organized under the laws of the Republic of the
Marshall Islands, V Capital S.A., a corporation organized under the laws of the
Republic of the Marshall Islands, G. Bros S.A., a corporation organized under
the laws of the Republic of the Marshall Islands, George D. Gourdomichalis,
Efstathios D. Gourdomichalis and Ion G. Varouxakis and Trinity Partners
Acquisition Company Inc. (the "Merger Agreement"), the undersigned, Alastor
Investments S.A., a corporation organized under the laws of the Republic of the
Marshall Islands, hereby consents to and agrees to be bound by the
representations and warranties, covenants, agreements and all other obligations
applicable to an Adventure Shareholder (as defined in the Merger Agreement) in
the Merger Agreement and shall be an Adventure Shareholder for all purposes
under the Merger Agreement.

                                               Alastor Investments S.A.


Dated: 30 May 2005                             By: /s/ George D. Gourdomichalis
      ----------------                             ----------------------------
                                                  Name: George D. Gourdomichalis
                                                  Title: President/Director